• 한국지리정보학회지
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• 제10권4호
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• pp.132-141
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• 2007

그동안 토지구획정리사업지구 내에서는 재건축이나 재개발사업으로 인해 고층개발이 이루어졌으며 이로 인해 당초의 도시기반시설의 수용용량을 초과하거나 기존의 도시경관과 부조화로운 개발행위가 나타나는 등 도시관리상에 문제가 발생하였다. 따라서 본 연구에서는 구릉지와 평지로 대표되는 수정지구와 양정지구를 대상으로 경관시뮬레이션을 실시하여 고층개발에 따른 영향을 분석하였다. 분석결과를 토대로 향후 토지구획정리사업지구를 계획적으로 관리하기 위해서는 지구단위 계획구역과 개발밀도관리구역으로 지정할 필요가 있으며 평균높이제도를 도입하여 주변과 조화로운 스카이라인을 형성시킬 필요가 있음을 제안하였다.

• 한국주거학회논문집
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• 제18권1호
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• pp.43-51
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• 2007

This study examines and analyzes view hindrance factors of high-storied apartment houses at small town like 'Eup' where county office locates and it is found that hindrance factors include designation of residential area and height, length and form of main building. On recognition of view, most subjects of research considered high-storied apartment houses hindered urban view and its regulation is needed. Apartment houses at small cities become main factors of hindering urban view because they were located randomly regardless of scale of city and surrounding situation, but there is no measure to control it. Accordingly, view control through enaction of regulations is urgently needed with establishment of guidelines such as height of large buildings including high-storied apartment houses, length of main building, location and regulation of exterior design.

• 한국안전학회지
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• 제12권1호
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• pp.94-100
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• 1997

The objective of this research is to study the formations of smoke layer in case of several furniture fires such as trashcan, carpet, mattress and wardrobe as a fire starter in a residential room by performing the experimental studies. The uniformly distributed fire in case of carpet showed that the ignition and the initial growth period were relatively short while the fully developed period was considerably long. The concentrated fires such as the trashcan, mattress and wardrobe showed that the ignitions and the initial growth periods were relatively long. The descending speed of the interface height was proportioned to the inflammability of the furniture and the spread of the fire. The time required to come down around 1m was within 1-3 minutes. The Interface heights for the furniture fires were around 1m as the steady state. However, at the time of the maximum temperature, the interface height was lowered to 0.25m-0.75m from the floor. The carbon dioxide concentration reached the highest while the oxygen concentration was minimum.

• 한국산림과학회지
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• 제98권2호
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• pp.156-162
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• 2009

Nebkhas are widely distributed in farming-pastoral zones, typical grassland and desert margins. In the southeast of the Inner Mongolia Plateau, it is mainly distributed at the leeward of cultivated land and alluvial fan, severe deterioration rangeland and around residential points. Through the field measurement and statistical analysis of Caragana microphylla Lam. Nebkhas morphological parameters (length, width and height of Nebkhas are included), the results show that there were close correlations between the Nebkhas morphological parameters. The ranges of height and width of Nebkhas changed dramatically and have reached up to 11.44 m and 7.97 m respectively, however, the change range of height was relatively smaller and just 1.09 m. The morphological parameters change of the same type Nebkhas in the same region was large ranging from 0.56 m in height, 3.56 m in width to 6.96 m in length, while the morphological characteristics of the same type Nebkhas in different regions were much similar. A correlation between length and width was significantly positive, but the correlations between height and length, and between height and width were much more complicated. It can be concluded that the Nebkhas in Zhengxiangbai Banner and Taipusi Banner were at the initially growing stage, while the Nebkhas in Huade County belonged to a transitional stage from the growing phase to the stabilizing phase. The changing regularity of distance between Nebkhas in along-wind direction was not consistent.

• Advances in pediatric surgery
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• 제11권2호
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• pp.115-122
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• 2005

Falls from a height are the leading cause of injury and death among urban children. This study describes the incidence, clinical characteristics, and treatment results of children under 15 year of age who fell from a height of more than one meter and were admitted for abdominal injury. The medical records of 585 consecutive patients treated between January 1997 and December 2003 at Ewha Womans University Mokdong Hospital were analyzed retrospectively. The falling heights were 1 to 31.2 meters, and 28 patients(4.8 %) suffered from blunt abdominal trauma. The male to female ratio was 2.1: 1. The median age of the victims was 5.5 years, and the median height fallen was 3 meters. Fifteen patients (53.6 %) were injured during the summer and seventy-nine percent of the falls occurred between noon and 9 pm. Eighteen (64.3 %) of falls occurred in residential place and 19(67.8 %) of patients arrived at the emergency department within 30 minutes of the accident. Only 16 patients (57.1 %) complained of abdominal pain. Liver injuries were found in 12(42.9 %), spleen injuries in 5(17.9 %), kidney injuries 3(10.7 %), pancreatic injuries in 1(3.6 %) and nonspecific abdominal injuries in 9(32.1 %) cases. Increased SGOT and SGPT were found in 23(82.2 %) and 18(64.3 %) cases. Eleven patients (39.3 %) had associated head injuries. Limb injuries were present in 17.9% and thoracic injuries in 7.1%. Twenty-five patients (89.3 %) recovered without operation. The median length of hospital stay was 6 days (2 -20 days). Despite the absence of abdominal symptoms or shock, falls from a height in children may carry significant intra-abdominal organ injuries. The height falling could not predict the degree of the abdominal injury. For the evaluation of potential abdominal injuries, CT scan should be utilized.

• Environmental Sciences Bulletin of The Korean Environmental Sciences Society
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• 제4권1호
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• pp.1-9
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• 2000

This paper describes an analysis of various factors affecting traffic noise propagation, including the distance from the road, existence of a direct path of noise propagation, density and height of buildings, and procedure for predicting the attenuation of noise levels from roads. The analysis is based on a multiple number of regression models, utilizing the quantification theory of the first kind. This study incorporates a large amount of survey data concerning traffic noise propagation. The survey of the traffic noise propagation around main roads was carried out in several residential areas, mainly in Kwangju. The attenuation of noise levels measured provided 691 usable data samples. A multiple regression analysis demonstrated that the distance from the road makes the most significant contribution to the attenuation of the noise level. The second contributor was found to be the existence of a direct path of noise propagation. The building density and average height of the buildings also affected the attenuation of the noise level considerably. Other factors, such as the height of the building behind the receiver microphone and the number of traffic lanes on the noise-source roads, did not contribute as much to the attenuation of the noise level as the factors mentioned avove.

• 한국산학기술학회논문지
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• 제12권2호
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• pp.970-978
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• 2011

최근 부산시내 자연경관이 양호한 지역에 고층건물들이 무분별하게 들어서 도시경관의 핵심이 되는 산림스카이라인을 깨트리는 동시에 도시 내 녹시율을 심각하게 떨어뜨리고 있는 실정이다. 따라서 도시민들의 삶의 질과 도시경관의 쾌적성을 향상시키고 도시의 녹시율을 높이기 위해서는 산림스카이라인의 효율적인 관리방안이 마련되어야 할 것이다. 이를 위하여 본 연구는 기존 산림스카이라인의 관리를 위한 건축물 고도규제 수단으로 사용하는 시곡면 분석의 문제점을 보안할 수 있는 GIS를 활용한 다중시곡면 분석과 건축물 높이에 큰 영향을 미치는 용적률을 비교 분석하여 건축물의 높이 규제 방향을 제시하고자 하였다. 이를 위하여 연구의 공간적 대상은 부산시 남구 대연동 주변 주거지역을 대상으로 하였으며, 분석방법에 있어서 다중 조망점 선정을 통하여 객관성을 확보하는 동시에 효율성을 높였다. 또한 주요지점에서 시뮬레이션결과를 반영함으로써 종합적인 경관계획이 가능하게 하였다. 마지막으로 본 연구는 산림지역의 지리적 여건에 맞추어 산림스카이라인 보호를 위한 건축물의 높이 규제의 방안을 제안하였다.

• 조명전기설비학회논문지
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• 제26권11호
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• pp.1-8
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• 2012

The road lightings have made our living environment safe and active, since it was first installed in 1900 in Korea. As the industry developed, various kind of road lightings have been installed in an outdoor area. But the spilt light from the road lightings have caused health problem like the sleeplessness, the depression, the failure to thrive and the nearsightedness to children. The light trespass caused by road lightings vary with the height of road lightings, the distance from road lightings to the window and the BUG rating of road lightings. In this paper, we analyze the effect on the light trespass by the spatial installation position of road lightings using by RELUX program. And we derive the characteristics of the light trespass according to the spatial installation position of the road lightings in residential area near road.

• 한국전산유체공학회지
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• 제16권4호
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• pp.1-6
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• 2011

Aerodynamic characteristics depending on the shape of an internal motor in a small-size sirocco fan for residential ventilation have been investigated. For the aerodynamic analyses of the sirocco fan, three-dimensional Reynolds-averaged Navier-Stokes equations are solved with the shear stress transport model for turbulence closure. The flow analyses are performed on hexahedral grids using a finite-volume solver. The validation of the numerical results at steady-state is performed by comparing with experimental data for the pressure and efficiency. In order to investigate the aerodynamic characteristics depending on shape of an internal motor in a sirocco fan, the reference shape is analyzed compared to the case without internal motor. Additionally, two shape parameters, height and width of the internal motor in a sirocco fan, are tested to investigate their effects on the aerodynamic characteristics. The results show that the shape of the internal motor in a sirocco fan is an important factor to improve the aerodynamic performances.

• KIEAE Journal
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• 제11권1호
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• pp.9-14
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• 2011

Currently, the multi-residential apartments used in Korea are mostly bearing wall apartments which don't satisfy consumers for the lack of architectural plan flexibility. And due to remodelling-incompatible, bearing wall apartments have to be reconstructed. It is, thus, necessary to develop multi-residential apartments utilizing composite beam that can replace the conventional bearing wall-type apartment buildings. Composite beams proposed in this paper ensure modification of space and quality control, while the floor heights are maintained at the same floor height as in bearing wall structures. This study analyzes the experimental behavior of composite beams with proper combination of structural steel, reinforced concrete, and precast concrete. By comparing with the theoretical analysis and experimental results, the accuracy of flexural moment capacity and neutral axis was evaluated. The experiments were performed by two simply-supported specimens using loading and unloading. When the analysis results were compared with the experimental results, the flexural moment capacity of the composite beam was shown with an error of approximately -0.5 to 0.1% at the maximum load limit state.